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ci: cancel superseded PR runs instead of building twice #5

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Merged
StoneyJackson merged 1 commit into from
Jul 27, 2026
Merged

ci: cancel superseded PR runs instead of building twice #5

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7 changes: 7 additions & 0 deletions .github/workflows/ci.yml
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Expand Up @@ -8,6 +8,13 @@ on:

permissions: {}

# Pushing to an open PR leaves the previous run building images that are
# already superseded — two multi-GB builds of the same branch at once. Only
# the newest commit's result matters, so cancel the older run.
concurrency:
group: ci-${{ github.event.pull_request.number || github.ref }}
cancel-in-progress: true

jobs:
# Building both images takes tens of minutes, and most of that is wasted on
# PRs that touch only workflows or docs. Every job below still runs and still
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